[INFO] fetching crate cached 0.46.1...
[INFO] checking cached-0.46.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate cached 0.46.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cached 0.46.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cached 0.46.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cached 0.46.1
[INFO] tweaked toml for crates.io crate cached 0.46.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cached 0.46.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v5.3.4
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded hashbrown v0.12.1
[INFO] [stderr]   Downloaded gloo-timers v0.2.4
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.6
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.31
[INFO] [stderr]   Downloaded r2d2 v0.8.10
[INFO] [stderr]   Downloaded polling v2.2.0
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded tokio-util v0.7.3
[INFO] [stderr]   Downloaded redis v0.23.0
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded tokio v1.19.2
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded async-lock v2.5.0
[INFO] [stderr]   Downloaded openssl v0.10.40
[INFO] [stderr]   Downloaded openssl-sys v0.9.74
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded serde_derive v1.0.138
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] [stderr]   Downloaded cached_proc_macro v0.18.1
[INFO] [stderr]   Downloaded async-native-tls v0.4.0
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded async-global-executor v2.2.0
[INFO] [stderr]   Downloaded async-io v1.7.0
[INFO] [stderr]   Downloaded async-trait v0.1.56
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.10
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ee81eb31ebc54535a3b95f215150bca3d64e05abe8b5552a3d9058a3660998
[INFO] running `Command { std: "docker" "start" "-a" "22ee81eb31ebc54535a3b95f215150bca3d64e05abe8b5552a3d9058a3660998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ee81eb31ebc54535a3b95f215150bca3d64e05abe8b5552a3d9058a3660998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ee81eb31ebc54535a3b95f215150bca3d64e05abe8b5552a3d9058a3660998", kill_on_drop: false }`
[INFO] [stdout] 22ee81eb31ebc54535a3b95f215150bca3d64e05abe8b5552a3d9058a3660998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04669101ab146269e0b079aede614fdb016a9c6d65b43a1e8cd4563823eeb095
[INFO] running `Command { std: "docker" "start" "-a" "04669101ab146269e0b079aede614fdb016a9c6d65b43a1e8cd4563823eeb095", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "04669101ab146269e0b079aede614fdb016a9c6d65b43a1e8cd4563823eeb095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04669101ab146269e0b079aede614fdb016a9c6d65b43a1e8cd4563823eeb095", kill_on_drop: false }`
[INFO] [stdout] 04669101ab146269e0b079aede614fdb016a9c6d65b43a1e8cd4563823eeb095
